265016449 has 8 divisors (see below), whose sum is σ = 266593320. Its totient is φ = 263444736.

The previous prime is 265016441. The next prime is 265016461. The reversal of 265016449 is 944610562.

It can be written as a sum of positive squares in 4 ways, for example, as 147185424 + 117831025 = 12132^2 + 10855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265016449 - 2³ = 265016441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265016441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148249 + ... + 150025.

It is an arithmetic number, because the mean of its divisors is an integer number (33324165).

Almost surely, 2^265016449 is an apocalyptic number.

It is an amenable number.

265016449 is a deficient number, since it is larger than the sum of its proper divisors (1576871).

265016449 is a wasteful number, since it uses less digits than its factorization.

265016449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 265016449 is about 16279.3258152787. The cubic root of 265016449 is about 642.3291184593.

The spelling of 265016449 in words is "two hundred sixty-five million, sixteen thousand, four hundred forty-nine".